Great Mills, MD Radon Mitigation and Testing
Situated in St. Mary's County within the Lexington Park Metro area, Great Mills shows radon levels averaging 3.0 pCi/L based on limited testing data. This reading falls within the EPA's recommended range below 4.0 pCi/L, though additional testing would provide a more comprehensive picture for the community. Homeowners in zip code 20634 should still consider radon testing, particularly given the area's proximity to the Chesapeake Bay's varying geological formations.
Based on 1 user-submitted radon test for homes in Great Mills, MD. The EPA recommends taking action at or above 4.0 pCi/L.
Great Mills, MD Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Great Mills, MD Radon Testing
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Great Mills, Maryland Radon Levels
User-submitted radon test readings from homes in the Great Mills area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 3 pCi/L | Great Mills, MD | 21-50 Years | Full Basement | Apr 2022 |
Have a radon test result for Great Mills? Submit your reading to help other homeowners.
Great Mills Radon Facts
Key details about the radon risk profile for Great Mills and the 20634 zip code area.
Great Mills and the 20634 zip code are located in St Mary's County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Great Mills, MD
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Most Active Radon Markets in Maryland
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Frederick | 8.29 pCi/L | 7 |
| Potomac | 9.00 pCi/L | 6 |
| Hagerstown | 8.67 pCi/L | 6 |
| Westminster | 14.50 pCi/L | 4 |
| Baltimore | 7.00 pCi/L | 4 |
| Annapolis | 4.25 pCi/L | 4 |
| Upper Marlboro | 15.00 pCi/L | 3 |
| Edgewater | 12.67 pCi/L | 3 |
| Bowie | 9.00 pCi/L | 3 |
| Clarksburg | 8.00 pCi/L | 3 |
| Gambrills | 6.00 pCi/L | 3 |
| Elkton | 5.33 pCi/L | 3 |
| Silver Spring | 4.33 pCi/L | 3 |
| Chesapeake Beach | 14.00 pCi/L | 2 |
| Cumberland | 9.00 pCi/L | 2 |
| Frostburg | 9.00 pCi/L | 2 |
| Owings | 5.50 pCi/L | 2 |
| Huntingtown | 4.50 pCi/L | 2 |
| Mc Henry | 20.00 pCi/L | 1 |
| Mount Airy | 20.00 pCi/L | 1 |